Germany boss Silvia Neid, whose contract has been extended until the next World Cup, is delighted with the blemish-free run.

The Germans have also set a new record for most World Cup minutes without conceding, breaking China's 1999-2003 record.

"It was a great performance and I'm absolutely delighted we haven't let in a goal," said Neid.

"I think that's never happened in World Cup history before."

According to Prinz, it's all down to simple teamwork -- and luck.

"We're working well as a team and we're helping each other," she said.

"The secret of our success is our belief in ourselves. That's unbelievably important."

Prinz, the World Cup's all-time leading scorer with 13 goals, is a veteran of the 1995 final defeat to Norway and is now in her fourth World Cup.

But the 29-year-old said her past experience was not a factor in her impressive form here with four goals in the tournament so far.

"The pressure is similar in every World Cup," she said.

"It doesn't matter if you play one or two or three, you always have to play well."

Germany's watertight defence has been balanced by a flood of goals up front and the world's second-ranked team head into Sunday's final with 19 scored including Prinz's four and another four for Renate Lingor.